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Potential regression induced by "PERF: RangeIndex.__getitem__ with integers return RangeIndex" #57852

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DeaMariaLeon opened this issue Mar 15, 2024 · 0 comments · Fixed by #57855
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Potential regression induced by "PERF: RangeIndex.__getitem__ with integers return RangeIndex" #57852

DeaMariaLeon opened this issue Mar 15, 2024 · 0 comments · Fixed by #57855
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Reshaping Concat, Merge/Join, Stack/Unstack, Explode

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@DeaMariaLeon
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PR #57770

If it is expected please ignore this issue.

Benchmark:
join_merge.JoinEmpty.time_inner_join_left_empty - no permutations

@mroeschke

Screenshot 2024-03-15 at 14 13 04
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PERF: Skip _shallow_copy for RangeIndex._join_empty where other is RangeIndex mroeschke/pandas
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@DeaMariaLeon